<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      v-show="showSearch"
    >
    <el-row :gutter="20">
      <el-col :span="6">
        <el-form-item label="" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="新闻标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      </el-col>
      <el-col :span="6">
        <el-form-item label='' prop="createTime">
        <el-date-picker
          clearable
          style="width: 100%"
          v-model="createTime"
          type="daterange"
          value-format="yyyy-MM-dd HH:mm:ss"
          :default-time="['00:00:00','23:59:59']"
          range-separator="-"
          start-placeholder="创建开始日期"
          end-placeholder="创建结束日期"
        ></el-date-picker>
      </el-form-item>
      </el-col>
    </el-row>
      
      
      <!-- <el-form-item label="发布状态" prop="status">
          <el-select
              v-model="queryParams.status"
              placeholder="请选择状态"
              clearable
              style="width: 240px"
            >
              <el-option
                v-for="dict in dict.type.sys_news_status"
                :key="dict.value"
                :label="dict.label"
                :value="dict.value"
              />
            </el-select>
      </el-form-item> -->
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">查询</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
        >删除</el-button>
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['newsCenter:news:export']"
        >导出</el-button>
      </el-col> -->
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="newsList"
      ref="newsTable"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column type="index" label="序号" width="55" align="center" />
      <el-table-column label="新闻标题" align="left" prop="title" />
      <el-table-column label="操作人" align="center" prop="createBy" width="200"/>
      <el-table-column label="创建日期" sortable align="center" prop="createTime" width="200"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="200">
        <template slot-scope="scope">
          <!-- <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdateStatus(scope.row)">发布</el-button> -->
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)">修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 新增或修改新闻中心对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="50%" :close-on-click-modal="false" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="新闻标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入新闻标题" />
        </el-form-item>
        <el-form-item label="新闻内容" prop="content">
          <!-- <editor v-model="form.content" :min-height="192" /> -->
          <JEditor
            :key="showdis"
            v-model="form.content"
            :min-height="100"
            :height="350"
          />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">保 存</el-button>
        <el-button @click="cancel">返 回</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listNews,
  getNews,
  delNews,
  addNews,
  updateNews
} from "@/api/information/newsCenter/news";
export default {
  name: "News",
  dicts:['sys_news_status'],
  data() {
    return {
      isShow: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      titles:[],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 新闻中心表格数据
      newsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      showDisabled: false,
      showdis:123,
      // 发布日期
      createTime: null,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        author: null,
        summary: null,
        content: null,
        coverImage: null,
        status: null,
        sequence: null,
        source: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        title: [
          { required: true, message: "新闻标题不能为空", trigger: "blur" }
        ],
        content: [
          { required: true, message: "新闻内容不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  mounted() {
  },
  methods: {
    /** 查询新闻中心列表 */
    getList() {
      this.loading = true;
      listNews(this.addDateRange(this.queryParams,this.createTime)).then(response => {
        this.newsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        author: null,
        summary: null,
        content: null,
        createdAt: null,
        updatedAt: null,
        coverImage: null,
        status: 0,
        sequence: null,
        source: null
      };
      this.resetFormData("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.createTime = [];
      this.resetFormData("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id);
      this.titles = selection.map(item => item.title);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.showdis = Math.random();
      this.showDisabled = false;
      this.title = "新增新闻";
    },
    // 发布按钮
    handleUpdateStatus(row) {
      const give = {
        id: row.id,
        status:'1'
      }
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getNews(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.showdis = Math.random();
        this.title = "修改新闻";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (this.form.content == '<p><br></p>' || !this.form.content) {
          this.form.content = ''
          this.$refs["form"].validate((validl) => { })
          return false
        }
        if (valid) {
          if (this.form.id != null) {
            updateNews(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addNews(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      const titles = row.title || this.titles;
      this.$modal
        .confirm('是否确认删除访问编号为"' + titles + '"的数据项？')
        .then(function() {
          return delNews(ids);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "newsCenter/news/export",
        {
          ...this.queryParams
        },
        `news_${new Date().getTime()}.xlsx`
      );
    }
  }
};
</script>
